1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/databases/state/store.py b/synapse/storage/databases/state/store.py
index d4ac74c1ee..aea71b8fcc 100644
--- a/synapse/storage/databases/state/store.py
+++ b/synapse/storage/databases/state/store.py
@@ -767,7 +767,7 @@ class StateGroupDataStore(StateBackgroundUpdateStore, SQLBaseStore):
 
         remaining_state_groups = {
             state_group
-            for state_group, in rows
+            for (state_group,) in rows
             if state_group not in state_groups_to_delete
         }